#include "usart.h"
#include "stdio.h"

/* USER CODE BEGIN 0 */
uint8_t USART_RX_BUF[USART_REC_LEN];
uint16_t USART_RX_STA=0; //??????
uint8_t aRxBuffer[RXBUFFERSIZE];//HAL??????????


/* USER CODE END 0 */

UART_HandleTypeDef huart1;

/* USART1 init function */
int fputc(int ch, FILE *f)
{
		HAL_UART_Transmit(&huart1,(uint8_t *)&ch, 1, 0XFFFF);
	  return ch;

}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
			if(huart->Instance==USART1)//?????1
			{
				if((USART_RX_STA&0x8000)==0)//?????
				{
					if(USART_RX_STA&0x4000)   //????0x0d
					{
						if(aRxBuffer[0]!= 0x0a)
						{
						 USART_RX_STA=0;         //????,????
						}			
					  else
					  {
					  	USART_RX_STA|=0x8000;  //?????
				 	  }
				}
				else //????0x0D
				{
					if(aRxBuffer[0] == 0x0d)
					{	
						USART_RX_STA|=0x4000;
					}
					else
					{
						USART_RX_BUF[USART_RX_STA&0x3FFF]=aRxBuffer[0];
						USART_RX_STA++;
						if(USART_RX_STA>(USART_REC_LEN-1))
						{
							USART_RX_STA=0;    //??????,??????
						}
					}
				}
			}
	   }
   }




void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(uartHandle->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspInit 0 */

  /* USER CODE END USART1_MspInit 0 */
    /* USART1 clock enable */
    __HAL_RCC_USART1_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* USART1 interrupt Init */
    HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspInit 1 */

  /* USER CODE END USART1_MspInit 1 */
  }
}

void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
{

  if(uartHandle->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspDeInit 0 */

  /* USER CODE END USART1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_USART1_CLK_DISABLE();

    /**USART1 GPIO Configuration
    PA9     ------> USART1_TX
    PA10     ------> USART1_RX
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);

    /* USART1 interrupt Deinit */
    HAL_NVIC_DisableIRQ(USART1_IRQn);
  /* USER CODE BEGIN USART1_MspDeInit 1 */

  /* USER CODE END USART1_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
